17
-1 2
0 1
1 2
1 1
2 1
1 0
2 -1
1 -1
1 -2
0 -1
-1 -2
-1 -1
-2 -1
-1 0
-2 1
-1 1
0 0
24
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 1
17 2
17 4
17 6
17 8
17 10
17 12
17 14
17 16
0.3
0.0001 0.001 0.01 0.1